More ripples in space-time have been detected from merging pairs of black holes, one of which was the most massive and distant gravitational-wave source ever observed.

Visible light image of the radio galaxy Hercules A obtained by the Hubble Space Telescope superposed with a radio image taken by the Very Large Array of radio telescopes in New Mexico, USA.
NASA24 octobre 2018

The discovery of tiny ripples in space from the violent collision of dense stars could help solve many mysteries – including where the gold in our jewellery comes from.

An illustration of the collision of two black holes, an event detected for the first time ever by the Laser Interferometer Gravitational-Wave Observatory (LIGO).
The SXS (Simulating eXtreme Spacetimes) Project3 octobre 2017